vpg logo Parasitology
Lab Keys

VPG HOME grey line seperator VMP 930 grey line seperator Intro grey line seperator Lecture grey line seperator Lab grey line seperator Keys grey line seperator Quizzes grey line seperator CONTACT

Lice Anatomy & Terms

back to the Lice Key

Lice Groups

Mallophagan Louse
Chewing Louse.
Head wider than Thorax.
Wide head accomodates chewing mandibles and jaw muscles.

Anopluran Louse
Sucking Louse.
Head narrower than Thorax.
Head only needs apparatus for piercing & sucking.


Mallophagan Louse

Bovicola bovis

Head -- Note width of Head v/s Thorax.

Antenna -- Sensory Appendages.

Thorax -- Note width of Thorax.

Legs -- Three pairs of legs. Front legs are often tucked under the head.

Tarsal Claws -- Claw at the end of the leg. Often a single simple claw.

Abdomen -- Note spiracles & chitinous pigmented bars on each segment.


Anopluran Louse

Linognathus vituli

Head -- Note width of Head v/s Thorax.

Antenna -- Sensory Appendages.

Thorax -- Note width of Thorax.

Legs -- Three pairs of legs.

Simple Claw -- Claw with a simple hook.

Compound Claw -- Complex claw with an end hook & "grasping thumb".

Abdomen -- Spiracles & hair rows per segment.

Hair Rows -- The number of hair rows per abdominal segment is used for identifying some species.



Website contents are for your educational use only and are not to be copied or distributed without the owner's consent.
NC State College of Veterinary Medicine
1060 William Moore Drive
Raleigh, NC 27607